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Global Seismic Data Pictures
Tutorial for GIS
Online WebGIS Tutorial
Notes for WebGIS
Remote Sensing Tutorial
International Training 2018
Percentage online calculator(Input Percentage and Total Number, Number of Total Number)
Example: The output of a unit producing transformers this month is 150 units, and the planned increase in capacity next month is .......
Percentage online calculator(The total number of inputs and the number of requirements, the ratio of hundreds of points)
Example : The production of a unit's production valve this month is 150 pieces. It plans to increase the production capacity by 40.......
Complex square root： [ r1 = x+yi ; r2 = -x-yi ]
Complex multiplication [ (a+bi) × (a+bi) ]
The complex algorithm has: addition and subtraction, multiplication and division. The multiplication of the plural is carried out .......
Complex division [ (a+bi) / (a+bi) ]
The complex algorithm has: addition and subtraction, multiplication and division. Division rule: Let the complex number a+bi(a,b∈R.......
Binary function value calculation
This page calculates the function values of binary functions expressed by expressions.First enter the function expression in the .......
Give the derivative of a unary function in the form of an expression
This page executes the derivative function of the unary function online. The unary function f(x) and its calculated derivative fu.......
Geometric mean online calculator
Geometric mean calculator The geometric mean is the n-th root of the product of n observations. Depending on the conditions of the.......
Function value calculation
This page calculates the function value of a function represented by an expression. First enter the function expression in the fun.......
Standard deviation online calculator
electronics, etc., to calculate the standard deviation. Input:.......
Knowledge Map Service of Major Organization for Disaster Risk Reduction
Map Visualization Services of China Historical Disasters
Global Earthquake Daily Distribution Map Service
Excavation trough, no working face, single side grading (soil retaining slope) online calculator
Ternary One Time Equation Calculator_Online Calculation Tool
Time for Tapping Online Calculator
Distance calculation tool between two points (known two-point plane geometry)
Calculate Terminal Velocity
Time for Facing Online Calculator
Time for Reaming Online Calculator
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